Niigata, Japan

Yuji Toyama

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Hitachi, Ltd., Hitachi Techno Engineering Co., Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Toyama. Retrieved from https://idiyas.com/inventor/yuji-toyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 6.4

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Niigata-ken, JP (2000)
  • Niigata, JP (2000)

Company Filing History:


Years Active: 2000

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2 patents (USPTO):Explore Patents

Title: Yuji Toyama: Innovator in Air Cleaner Technology

Introduction

Yuji Toyama is a notable inventor based in Niigata-ken, Japan. He has made significant contributions to the field of air cleaning technology, holding 2 patents that showcase his innovative designs and engineering skills.

Latest Patents

Toyama's latest patents include an air cleaner featuring vanes with a winglike cross-section between a shroud. This air cleaner consists of a housing with an upper wall and side walls, an air filter, and a fan equipped with a vane-wheel that has a limited number of vanes. The design aims to reduce noise and vibration while improving the efficiency of the fan. Another patent describes an air cleaner that includes a supporting plate and two air flow directional members. These components work together to enhance air flow and reduce energy consumption, demonstrating Toyama's commitment to efficiency and innovation.

Career Highlights

Throughout his career, Yuji Toyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Techno Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in air cleaning technology.

Collaborations

Some of Toyama's notable coworkers include Tominori Ishikawa and Yoshihiro Takada. Their collaboration has likely played a role in the development of innovative solutions in their respective fields.

Conclusion

Yuji Toyama's contributions to air cleaner technology reflect his dedication to innovation and efficiency. His patents demonstrate a clear understanding of engineering principles and a commitment to improving air quality.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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